Hello. I have been on birth control for a few years now, and my periods are VERY predictable, almost to the hour. I also (despite taking YAZ) normally get very bad cramps and have a heavy flow. Thismorning, I noticed very light bleeding, and I am not supposed to get my period for five days. It is still present but only when I wipe. I don't need to use a liner or tampon or anything. I have also been experiencing headaches. I would love to be pregnant, but don't want to get my hopes up. Does this sound like pregnancy to anyone?